COMT vs. SPY

Last updated Jun 4, 2026

COMT (iShares Commodities Select Strategy ETF) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - COMT is a Commodities fund actively managed by iShares, while SPY is a S&P 500 fund tracking the S&P 500 Index. COMT is actively managed, while SPY is passively managed. Over the past 10 years, COMT returned 9.09%/yr vs 15.49%/yr for SPY. At a 0.30 correlation, their price movements are largely independent. COMT charges 0.48%/yr vs 0.09%/yr for SPY.

Performance

COMT vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Commodities Select Strategy ETF (COMT) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COMT achieves a 39.67% return, which is significantly higher than SPY's 10.91% return. Over the past 10 years, COMT has underperformed SPY with an annualized return of 9.09%, while SPY has yielded a comparatively higher 15.49% annualized return.

COMT

• 1D: 0.78%
• 1M: -4.35%
• YTD: 39.67%
• 6M: 39.06%
• 1Y: 47.51%
• 3Y*: 16.86%
• 5Y*: 13.50%
• 10Y*: 9.09%

SPY

• 1D: -0.70%
• 1M: 5.05%
• YTD: 10.91%
• 6M: 10.91%
• 1Y: 27.98%
• 3Y*: 22.35%
• 5Y*: 13.83%
• 10Y*: 15.49%

*Multi-year figures are annualized to reflect compound growth (CAGR)

COMT vs. SPY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COMT iShares Commodities Select Strategy ETF	39.67%	6.07%	5.96%	-6.56%	19.45%	36.88%	-18.66%	10.81%	-6.67%	11.70%
SPY State Street SPDR S&P 500 ETF	10.91%	17.72%	24.89%	26.18%	-18.18%	28.73%	18.33%	31.22%	-4.57%	21.71%

Correlation

The correlation between COMT and SPY is -0.23, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.23
Correlation (3Y) Calculated over the trailing 3-year period	0.01
Correlation (5Y) Calculated over the trailing 5-year period	0.13
Correlation (10Y) Calculated over the trailing 10-year period	0.27
Correlation (All Time) Calculated using the full available price history since Oct 17, 2014	0.30

The correlation between COMT and SPY shifts across timeframes, from -0.23 (1 year) to 0.30 (all time), reflecting how their relationship changes across market environments.

COMT vs. SPY - Sectors Allocation Comparison

Sectors	COMT	SPY
Financial Services	100.0%	11.8%
Basic Materials	-	1.8%
Communication Services	-	11.3%
Consumer Cyclical	-	10.3%
Consumer Defensive	-	4.8%
Energy	-	3.6%
Healthcare	-	8.4%
Industrials	-	7.8%
Real Estate	-	1.9%
Technology	-	35.9%
Utilities	-	2.4%

Return for Risk

COMT vs. SPY — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

COMT

COMT Risk / Return Rank: 71
COMT Sharpe Ratio Rank: 66
COMT Sortino Ratio Rank: 60
COMT Omega Ratio Rank: 64
COMT Calmar Ratio Rank: 91
COMT Martin Ratio Rank: 73

SPY

SPY Risk / Return Rank: 70
SPY Sharpe Ratio Rank: 71
SPY Sortino Ratio Rank: 69
SPY Omega Ratio Rank: 70
SPY Calmar Ratio Rank: 62
SPY Martin Ratio Rank: 75

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

COMT vs. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Commodities Select Strategy ETF (COMT) and State Street SPDR S&P 500 ETF (SPY). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	COMT	SPY	Difference
Sharpe ratio: Return per unit of total volatility	2.24	2.38	-0.14
Sortino ratio: Return per unit of downside risk	2.88	3.24	-0.36
Omega ratio: Gain probability vs. loss probability	1.40	1.43	-0.03
Calmar ratio: Return relative to maximum drawdown	5.95	3.16	+2.79
Martin ratio: Return relative to average drawdown	14.11	14.72	-0.61
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COMT vs. SPY - Sharpe Ratio Comparison

The current COMT Sharpe Ratio is 2.24, which is comparable to the SPY Sharpe Ratio of 2.38. The chart below compares the historical Sharpe Ratios of COMT and SPY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	COMT	SPY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.24	2.38	-0.14
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.64	0.82	-0.17
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.48	0.87	-0.38
Sharpe Ratio (All Time) Calculated using the full available price history	0.20	0.59	-0.38

Drawdowns

COMT vs. SPY - Drawdown Comparison

The maximum COMT drawdown since its inception was -51.89%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for COMT and SPY.

Drawdown Indicators

	COMT	SPY	Difference
Max Drawdown Largest peak-to-trough decline	-51.89%	-55.19%	+3.30%
Max Drawdown (1Y) Largest decline over 1 year	-8.02%	-8.88%	+0.86%
Max Drawdown (3Y) Largest decline over 3 years	-13.31%	-18.76%	+5.45%
Max Drawdown (5Y) Largest decline over 5 years	-29.00%	-24.50%	-4.50%
Max Drawdown (10Y) Largest decline over 10 years	-39.22%	-33.72%	-5.50%
Current Drawdown Current decline from peak	-4.82%	-0.70%	-4.12%
Average Drawdown Average peak-to-trough decline	-24.07%	-9.05%	-15.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.38%	1.91%	+1.47%

Volatility

COMT vs. SPY - Volatility Comparison

iShares Commodities Select Strategy ETF (COMT) has a higher volatility of 7.37% compared to State Street SPDR S&P 500 ETF (SPY) at 2.84%. This indicates that COMT's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COMT	SPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.37%	2.84%	+4.53%
Volatility (6M) Calculated over the trailing 6-month period	18.80%	8.90%	+9.90%
Volatility (1Y) Calculated over the trailing 1-year period	21.29%	11.83%	+9.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.06%	17.05%	+4.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.89%	17.94%	+0.95%

COMT vs. SPY - Expense Ratio Comparison

COMT has a 0.48% expense ratio, which is higher than SPY's 0.09% expense ratio.

Dividends

COMT vs. SPY - Dividend Comparison

COMT's dividend yield for the trailing twelve months is around 5.54%, more than SPY's 0.98% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COMT iShares Commodities Select Strategy ETF	5.54%	7.74%	4.90%	5.19%	29.79%	17.79%	0.36%	2.61%	11.65%	5.16%	0.52%	1.44%
SPY State Street SPDR S&P 500 ETF	0.98%	1.07%	1.21%	1.40%	1.65%	1.20%	1.52%	1.75%	2.04%	1.80%	2.03%	2.06%

Frequently Asked Questions

Can I hold both COMT and SPY in my portfolio?

COMT and SPY have a correlation of -0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COMT or SPY?

COMT has higher volatility (7.37%) compared to SPY (2.84%). In terms of maximum drawdown, COMT dropped -51.89% vs SPY's -55.19%.

Which ETF is better, COMT or SPY?

On 10-year performance, SPY leads with 15.49% vs 9.09% for COMT. On fees, SPY is cheaper at 0.09% per year. On volatility, SPY has been the lower-risk option at 2.84%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, COMT or SPY?

Over the 10-year period, SPY has performed better with a 15.49% return vs 9.09%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, COMT or SPY?

SPY is cheaper with a 0.09% expense ratio, compared with 0.48% for COMT.

Which ETF pays a higher dividend yield, COMT or SPY?

COMT has the higher dividend yield at 5.54%, compared with 0.98% for SPY.

What is the main difference between COMT and SPY?

COMT is categorized as Commodities, while SPY is S&P 500. They also come from different issuers: iShares and State Street. Their fees differ too: 0.48% for COMT and 0.09% for SPY.

Which has better risk-adjusted returns?

SPY currently has the higher Sharpe Ratio (2.38 vs 2.24), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.